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Wedges

Overview

Publisher
Bellwether Media
Released
September 23, 2019
ISBN
9781618915351
Format
ePub

Book Details

Wedges were some of the first tools humans ever created! Today, these simple machines are found all around, from doorstops to our own front teeth. Diagrams and simple text explain how wedges work, while experiments allow readers test the machines for themselves. Move through the history of wedges, from hand axes to handsaws, in this fascinating title for beginning readers.

Author Description

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